x86/soekris: Add defconfig for soekris net4801 and net4826

Add default config file for net4801 and 4826 and initial script
to copy config file like it is done for other platforms.

Patch from: kentarou matsuyama <matsuyama@thinktube.com>

SVN-Revision: 25103

target/linux/x86/base-files/etc/init.d/defconfig

@@ -0,0 +1,20 @@
+#!/bin/sh /etc/rc.common
+#
+# Copyright (C) 2010 Thinktube Inc.
+#
+
+START=05
+
+start() {
+	. /lib/soekris.sh
+
+	local board=$(net48xx_board_name)
+
+	[ ! -d /etc/defconfig/$board ] && board="net4826"
+
+	for f in $( ls /etc/defconfig/$board ); do
+		if [ ! -e /etc/config/$f ]; then
+			cp /etc/defconfig/$board/$f /etc/config/
+		fi
+	done
+}